        <!DOCTYPE html>
        <html lang="en">
        <head>
            <meta charset="UTF-8">
            <title>Title</title>
            <script src="vue.js"></script>
            <script src="index.js"></script>
            <link rel="stylesheet" href="index.css">
        </head>
        <body>
        <style>
            .el-header, .el-footer {
                background-color: #B3C0D1;
                color: #333;
                text-align: left;
                line-height: 60px;
            }

            .el-aside {
                background-color: #D3DCE6;
                color: #333;
                text-align: center;
                line-height: 200px;
            }

            .el-main {
                background-color: #E9EEF3;
                color: #333;
                text-align: center;
            }

            html,body,.el-container{
                /*设置内部填充为0，几个布局元素之间没有间距*/
                padding: 0px;
                /*外部间距也是如此设置*/
                margin: 0px;
                /*统一设置高度，高度自行调整*/
                height: 1400px;
            }

        </style>
        </head>

        <div id="app">
            <el-container>
                <el-header>顶部</el-header>
                <el-container>
                    <el-aside>侧边栏容器</el-aside>
                    <el-main>主要区域容器</el-main>
                </el-container>
                <el-container>
                    <el-footer>底部区域</el-footer>
                </el-container>
            </el-container>
        </div>
        <script>
            var  vm = new Vue({
                el:"#app",
                data:{}
            })
        </script>
        </body>
        </html>